Total Bridges
5,396
Public highway bridges in South Carolina
State profile · Near national median SD
South Carolina bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in South Carolina — drawn straight from the FHWA National Bridge Inventory.
- 5,396
- Public bridges
- 34.8%
- Good condition
- 6.1%
- Poor condition
- 6.1%
- Structurally deficient
Good Condition
34.8%
1,876 bridges rated 7-9
-15.2pp vs 50% benchmark
Poor Condition
6.1%
329 bridges rated 0-4
Structurally Deficient
6.1%
329 bridges flagged for repair priority
-0.9pp vs national avg 7.0%
South Carolina vs national bridge condition
South Carolina — Good condition share 34.8%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
South Carolina — Structurally deficient share 20.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — South Carolina (FHWA NBI)
Counties (46)
Abbeville 96 Aiken 103 Allendale 43 Anderson 267 Bamberg 48 Barnwell 45 Beaufort 45 Berkeley 136 Calhoun 34 Charleston 196 Cherokee 113 Chester 95 Chesterfield 126 Clarendon 85 Colleton 139 Darlington 95 Dillon 62 Dorchester 112 Edgefield 82 Fairfield 81 Florence 161 Georgetown 71 Greenville 373 Greenwood 75 Hampton 60 Horry 259 Jasper 73 Kershaw 94 Lancaster 110 Laurens 146 Lee 50 Lexington 135 Marion 61 Marlboro 52 McCormick 32 Newberry 111 Oconee 119 Orangeburg 160 Pickens 156 Richland 211 Saluda 66 Spartanburg 361 Sumter 100 Union 82 Williamsburg 108 York 167
South Carolina vs nearby ranks
Adjacent states on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below South Carolina on the same metric.
16
Idaho
5.51% top marginal rate
28
Mississippi
5.92% top marginal rate
45
South Carolina
6.10% top marginal rate
55
Wisconsin
6.13% top marginal rate
37
North Carolina
6.16% top marginal rate
Bridges Needing Most Attention in South Carolina
Six lowest-condition bridges in South Carolina, ranked by composite NBI rating. Each is inspected at least every 24 months.
C-20-60
PoorOver: BR OF MORRIS CR
8.4 MI SW OF WINNSBORO, Fairfield, SC
Built 1960 Load: 0.3 t ADT: 125
S-12-353
PoorOver: BEAVER DAM CREEK
3MI NW GREAT FALLS, Chester, SC
Built 1974 Load: 0.6 t ADT: 200
C-30-548
PoorOver: NORTH RABON CREEK
11.5MI NW OF LAURENS, Laurens, SC
Built 1989 Load: 0.6 t ADT: 200
S-34-64
PoorOver: PITCH POT SWAMP
4MI W MARION, Marion, SC
Built 1967 Load: 1.0 t ADT: 200
S-39-250
PoorOver: MACHINE CREEK
8.0 MI N EASLEY, Pickens, SC
Built 1963 Load: 1.0 t ADT: 2,400
C-11-288
PoorOver: BR BROAD RIVER
3.8 MI SW BLACKBURG, Cherokee, SC
Built 1992 Load: 1.3 t ADT: 200
All Bridges in South Carolina
US 52 BYP WB
FairOver: S.C.L. RAILROAD
1MI S DARLINGTON, Darlington, SC
Built 1972 Load: 48.0 t ADT: 11,600
US 52 BYP EBL
FairOver: S.C.L. RAILROAD
1MI S OF DARLINGTON, Darlington, SC
Built 1972 Load: 48.0 t ADT: 11,600
C-18-1032
FairOver: GUM BRANCH
2.4MI SE ST GEORGE, Dorchester, SC
Built 1995 Load: 48.0 t ADT: 225
I-95 NB
FairOver: HIGH HILL CREEK
4MI N OF FLORENCE, Florence, SC
Built 2004 Load: 48.0 t ADT: 28,150
S-23-147
FairOver: CSX RAILROAD
CITY GREENV-WASHINGTON ST, Greenville, SC
Built 2005 Load: 48.3 t ADT: 5,700
SC 327 NB
FairOver: BLACK CREEK
6 MI NE OF FLORENCE, Florence, SC
Built 1990 Load: 48.6 t ADT: 5,050
US 221
FairOver: CHINQUEPIN CREEK
1.4MI N SPARTANBURG, Spartanburg, SC
Built 1948 Load: 48.6 t ADT: 17,900
C-11-1032
FairOver: SOUTHERN R.R
TOWN OF BLACKSBURG, Cherokee, SC
Built 1999 Load: 48.9 t ADT: 200
I-77 SB
FairOver: RR LC
0.9 MI NW OF RICHBURG, Chester, SC
Built 1979 Load: 48.9 t ADT: 24,100
US 15
FairOver: IRELAND CREEK
IN WALTERBORO, Colleton, SC
Built 1997 Load: 48.9 t ADT: 9,200
S-42-31
FairOver: SOU RR
2MI NE OF SPARTANBURG, Spartanburg, SC
Built 1963 Load: 49.2 t ADT: 6,200
SC 122
FairOver: MANCHESTER CR
CITY OF ROCK HILL, York, SC
Built 1973 Load: 49.2 t ADT: 21,500
S-42-485
FairOver: SCL RAILROAD
TEXTILE DR/SPARTANBURG, Spartanburg, SC
Built 1964 Load: 49.6 t ADT: 2,300
SC 327 SB
FairOver: S.C.L. RAILROAD
5MI E OF FLORENCE, Florence, SC
Built 1971 Load: 49.9 t ADT: 5,050
US 178
FairOver: LIGHTWOOD KNOT CREEK
8 MI E OF MONETTA, Lexington, SC
Built 1953 Load: 49.9 t ADT: 4,300
I-126 EB
FairOver: RR NS
CITY OF COLUMBA, Richland, SC
Built 1978 Load: 49.9 t ADT: 31,750
S-35-47
FairOver: CROOKED CREEK
AT LAKE WALLACE IN BENN, Marlboro, SC
Built 1990 Load: 50.2 t ADT: 2,200
I-85
FairOver: BIG BEAVER DAM CREEK
5.5MI NW OF WILLIAMSTON, Anderson, SC
Built 1963 Load: 50.5 t ADT: 70,700
US 21/RIBAUT RD
FairOver: BATTERY CREEK OVERFLOW
NR PARRIS ISLAND, Beaufort, SC
Built 1993 Load: 50.5 t ADT: 31,700
US 52
FairOver: GOOSE CREEK
1/2MI S OFUS176 @ GOOSECK, Charleston, SC
Built 2003 Load: 50.5 t ADT: 62,300
S-25-43
FairOver: WHIPPY SWAMP
6.5MI N HAMPTON, Hampton, SC
Built 1995 Load: 50.5 t ADT: 225
SC 49
FairOver: SHOALS CREEK
CITY OF UNION, Union, SC
Built 1931 Load: 50.5 t ADT: 4,500
S-45-85
FairOver: INDIAN TOWN SWAMP
5.0 MI N STUCKEY, Williamsburg, SC
Built 1993 Load: 50.5 t ADT: 300
S-4-143
FairOver: BRUSHY CREEK
6.3MI NE WILLIAMSTON, Anderson, SC
Built 1987 Load: 50.9 t ADT: 5,600
SC 150
FairOver: LIMESTONE CREEK
4.3 MI S OF GAFFNEY, Cherokee, SC
Built 1973 Load: 50.9 t ADT: 1,750
S-21-12
FairOver: SCL RR
CHURCH ST FLORENCE, Florence, SC
Built 1980 Load: 50.9 t ADT: 20,600
S-25-13
FairOver: WHIPPY SWAMP
6MI NW VARNVILLE, Hampton, SC
Built 1999 Load: 50.9 t ADT: 375
I-26
FairOver: GLIDERS CREEK
5.8 MI N W OF NEWBERRY, Newberry, SC
Built 1960 Load: 50.9 t ADT: 44,400
US 176 EB
FairOver: ROCKY CREEK
5.7 MI N.W. OF UNION, Union, SC
Built 1987 Load: 50.9 t ADT: 4,600
C-4-756
FairOver: BEAVERDAM CR
14.3 MI NW OF ANDERSON, Anderson, SC
Built 1963 Load: 51.2 t ADT: 125
C-4-840
FairOver: CANOE CR
14.9 MI SW OF ANDERSON, Anderson, SC
Built 1965 Load: 51.2 t ADT: 125
S-30-61
FairOver: C.N.&L. RR
CITY OF LAURENS, Laurens, SC
Built 1976 Load: 51.2 t ADT: 2,000
I-20 WB
FairOver: ABANDAND RR
1 MI S OF CAMDEN, Kershaw, SC
Built 1972 Load: 51.5 t ADT: 15,900
I-20 EB
FairOver: N. EDISTO RIVER
9 MI SE OF MONETTA, Aiken, SC
Built 1970 Load: 51.8 t ADT: 17,200
I-20 WB
FairOver: N. EDISTO RIVER
9.0 MI SE MONETTA, Aiken, SC
Built 1970 Load: 51.8 t ADT: 17,200
SC 191
FairOver: HORSE CREEK (KELLEY CR)
WARRENVILLE, Aiken, SC
Built 1997 Load: 51.8 t ADT: 6,900
SC 34
FairOver: CSX & SOUTH RWY
1.5 MI SE OF NEWBERRY, Newberry, SC
Built 1975 Load: 51.8 t ADT: 6,600
I-95
FairOver: PUDDING SWAMP
18 MI E OF SUMTER, Sumter, SC
Built 1967 Load: 51.8 t ADT: 35,000
S-26-51
FairOver: MURRELS INLET CREEK
GARDEN CITY, Horry, SC
Built 1991 Load: 52.2 t ADT: 10,300
I-26
FairOver: TOMS CREEK
6 MI S OF CAYCE, Lexington, SC
Built 1960 Load: 52.2 t ADT: 69,100
S-40-73
FairOver: SMITH BRANCH
2 MI NW OF COLUMBIA, Richland, SC
Built 1965 Load: 52.5 t ADT: 7,900
L-73
FairOver: WITHERS SWASH
CITY OF MYRTLE BEACH, Horry, SC
Built 2000 Load: 52.8 t ADT: 7,600
I-95
FairOver: TAWCAW CREEK
2MI NE OF SUMMERTON, Clarendon, SC
Built 1967 Load: 53.5 t ADT: 36,000
I-26
FairOver: KERR CREEK
7.0 MI S E OF NEWBERRY, Newberry, SC
Built 1960 Load: 53.8 t ADT: 43,900
S-38-507
FairOver: NORTH EDISTO RIVER
CITY LIMITS ORANGEBURG, Orangeburg, SC
Built 1967 Load: 53.8 t ADT: 6,000
I-95 SB
FairOver: COW TAIL CREEK
2.8 MI SW ST GEORGE, Dorchester, SC
Built 1973 Load: 54.8 t ADT: 25,400
US 221
FairOver: QUARTERS CREEK
7.6 MI NE OF GREENWOOD, Greenwood, SC
Built 1925 Load: 54.8 t ADT: 14,300
US 25
FairOver: ROCKY CREEK
2.1 MI NW OF GREENWOOD, Greenwood, SC
Built 1931 Load: 54.8 t ADT: 16,200
US 521
FairOver: SHOT POUCH BRANCH
1 MI NW OF SUMTER, Sumter, SC
Built 1977 Load: 55.1 t ADT: 24,300
S-44-24
FairOver: TINKER CREEK
4.7 MI SE UNION, Union, SC
Built 1988 Load: 55.1 t ADT: 225
Showing 3,101-3,150 of 5,396 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |